下列不属于课堂纪律的三大特征的是（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26165' and id < 2192613 and id<>'2192613' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26165' and id > 2192613 and id<>'2192613' order by id asc limit 5